Part 16

To meet the requirements of the many families in which such a small amount of baking is done, and to cater particularly to apartment-house dwellers, the manufacturers of the line of radiant stoves described and illustrated have brought forth a small cylindrical oven called the ovenette. This little oven fits either the radiant stove or the round radiant grill. It is made of pressed steel and finished in highly polished nickel. This ovenette, in combination with either the radiant stove or the round radiant grill, provides complete cooking equipment upon which an entire meal can be prepared, whether it be heating rolls and preparing crisp bacon or chops for breakfast, or baking a roast, a loaf cake or even bread for the dinner. It will bake pies, cake, biscuit, potatoes, roast meats, etc., up to its capacity, at a less current cost than is possible with the larger oven and in less time. This ovenette has what is called a middle ring, which makes it adjustable to two sizes when large or small quantities of food are to be prepared.

[Illustration: FIG. 17.--ELECTRIC LAMP-SOCKET OVEN]

[Illustration: FIG. 18.--ELECTRIC STANDARD OVEN]

So you see, the woman of today who utilizes current furnished through the light socket, can bring to her command genii as wonderful as those at the command of Aladdin when he stroked the wonderful lamp. Her household duties are made easier. There is far less preparatory work and she is able to place her home on a much more efficient basis than with ordinary methods.

The home electrical is not complete without containing at least some of the electrical appliances which have been designed for the purpose of alleviating pain. One of these is an electric heating pad made of steel units, so hinged as to make the appliance sufficiently flexible to be wrapped around an arm or limb and to conform to the curves of the body. The other is a pad made of aluminum which is concave on one side and convex on the other and may be used in a wet pack. Each of these heating pads is covered with a high-grade cover of eiderdown which provides a soft contact for the skin.

Perhaps next in importance along this line of electrical appliances is the small immersion heater shown in Fig. 19, and which requires so little space that it can be easily carried even in a woman’s handbag. This style of heater will quickly heat a glass of water by simply immersing the heater in the water. This device is very extensively used by mothers in heating milk for the baby, by men in heating water for shaving, and by doctors and dentists who require small quantities of hot water for sterilizing and other uses.

One thing most desirable in connection with practically all of the lamp-socket appliances described and illustrated in this section is the very small cost of operation. Lighting companies have so reduced the cost of current within the last two or three years that a breakfast may now be prepared electrically for not more than a couple of cents, while one of the pads may be used an entire night at a cost of less than one cent in soothing rheumatic pains or in driving away the chill for outdoor sleepers.

[Illustration: ELECTRIC ALUMINUM COMFO]

[Illustration: FIG. 19.--ELECTRIC IMMERSION HEATER]

[Illustration: ELECTRIC FLEXIBLE COMFO (Metal)]

[Illustration: FIG. 20.--ELECTRIC VACUUM CLEANER]

But one of the hardest domestic tasks is that of keeping the house clean. To obviate the difficulties encountered in this connection and to make the home sanitary, electric vacuum cleaners are provided by several manufacturers, a very recent acceptable type being illustrated in Fig. 20. This type of vacuum cleaner, which is reasonable in price, is made of steel and finished in very highly polished nickel. It operates from any light socket and consumes but a very small amount of current, much less than is consumed by a toaster. It can also be purchased with different attachments with which curtains, radiators, clothes and walls may be cleaned. The possession in the home of one of these vacuum cleaners makes it unnecessary to take up rugs, carpets, tear down curtains and go through the semi-annual worry, wear and tear of house cleaning. The vacuum cleaner will do it better and many times quicker without removing a single article of furniture or disturbing a rug or curtain; and instead of scattering the dust-laden germs in the air, to be drawn into the nostrils and lungs of the family, the cleaner sucks them up into a dust-tight bag from which they can be deposited on a paper and burned.

The evolution in cooking and heating appliances for the home in the last ten years has indeed been rapid, but it is very recently indeed that the housewife has been able to satisfy the longing and the desire that has kept getting stronger from day to day, since first she began to use electric cooking appliances. She has been dreaming of that which would make her kitchen a domestic-science laboratory, and her dream can come true because now she can purchase an electric range patterned in general style after the more acceptable gas or other fuel ranges, but infinitely more efficient.

[Illustration: FIG. 21.--ELECTRIC RANGE]

The particular type of range herewith illustrated (Fig. 21) uses a burner of the open-coil type, both for the surface burners and for the oven. The ovens are highly insulated with a thick packing of best grade mineral wool, which reduces air leakage to a minimum and retains the heat generated for a long period. Many cooking operations which are performed in ordinary ovens with the burners on, can be prepared in this particular style of oven by using stored heat for the last half of the operation. The range is simplicity itself in operation. Each burner is operated by an indicating snap switch which has three separate heats, full, medium and low; medium being one-half of full and low one-half of medium. There are no matches; there is no danger from fire. There is no vitiated, foul air because of noxious gases from ordinary cooking stoves. There is no soot or grime, no ashes, no wood or coal to carry; there are fewer steps; there is less watching of the range; practically none at all, because when a burner is turned to medium, for instance, you know that you have a certain degree of heat for just as long as the switch is in that position. Results are eminently satisfactory and there is a sufficient saving in the weights and the nutritive value of foods cooked, especially in the oven, to make the electric range indeed a most desirable and economical addition to any home.

Today, the housewife, whether the provider of the home be a laborer or a merchant prince, can, with a simple touch of the button or a snap of the switch, bring to her immediate command, and subservient to her wishes, that subtle something which came in the snowflake, and which, while invisible, yet provides the greatest boon to mankind--electricity.

* * * * *

Why is there Always a Soft Spot in a Cocoanut Shell?

A cocoanut shell always has a soft spot at one end because this is the provision nature has made to allow the embryo of the future tree to push its way out of the hard shell.

Cocoanuts, as most of us know, have a thick, hard shell, with three black scars at one end. The soft scar may easily be pierced with a pin; the others are as hard as the rest of the shell. Outside of this hard shell we are accustomed to seeing another covering of considerable thickness, of an extremely fibrous substance. When cocoanuts are picked, however, they have still another covering-an outer rind which has a smooth surface.

The tree which produces the cocoanut is a palm, from sixty to a hundred feet high. The trunk is straight and naked, and surmounted by a crown of feather-like leaves. The nuts hang from the summit of the tree in clusters of a dozen or more together.

Food, clothing and the means of shelter and protection are all afforded by the cocoanut tree. The kernels are used as food in a number of different forms, and when pressed, they yield an oil which is largely used in candle making and in the manufacture of soaps. When they are dried before the oil is pressed out they are known as “copra.”

We have given the name “milk” to the sweet and watery liquid, of a whitish color, which is inclosed in considerable quantity in the kernel.

By boring the tree itself, a white, sweetish liquid called “toddy” exudes from the wound. This yields one of the varieties of the spirit called “arack” when distilled. A kind of a sugar called “jaggery” is also obtained from the cocoanut juice.

The fibrous coat of the nut is made into a preparation called “cellulose,” which is described in another story in this book, and also into the well-known cocoanut matting. The coarse yarn obtained from it is called “coir,” and it is also used for cordage. The hard shell of the nut is polished and made into cups and other domestic utensils. The fronds are wrought into baskets, brooms, mats, sacks and many other useful articles; and the trunks are made into boats, and furnish timber for the construction of houses. Altogether the cocoanut palm will be seen to be a very useful member of the plant kingdom.

How does a Gasoline Motor Run an Electric Street Car?

A gasoline-electric railroad train was introduced in Germany in 1913. It comprises a power car and ten other cars, each of a five-ton capacity, which trail along behind. The power car carries two gasoline engines of a hundred and twenty-five horse-power each which drive a dynamo installed in the center. The current is transmitted to the electric motors, actuating each of the wheels of the power car and the trailers. The General Electric Company has perfected a similar car for use on the suburban branches of street railroads in this country. Most of them are equipped with a two hundred horse-power gasoline engine directly connected to a dynamo from which power is generated and transmitted to the motors, which are located on the car axles. Cars of this type can be made of a larger seating capacity than is customary and can easily attain a speed of a mile a minute.

Gasoline engines offer great advantages over steam because of the absence of boilers, coal and ashes, and a much higher efficiency is obtainable, a consumption of one pint of gasoline per horse-power hour being good practice for well-designed motor engines and a total efficiency of from ten to thirty-five per cent of the energy in the fuel being available, as against one to twenty per cent for steam averages. The utilization of the gasoline engine to generate electric power for surface cars, in instances where it is not practical to transmit energy from power stations, presents wonderful possibilities.

[Illustration: A SUBURBAN RAILWAY CAR OF THE GASOLINE-ELECTRIC TYPE]

How do “Carrier Pigeons” Carry Messages?

The real carrier pigeon is a large bird with long wings, a large tuberculated mass of naked skin at the base of the beak, and a circle of naked skin round the eyes, but the variety generally employed to carry messages more resembles an ordinary pigeon.

The practice of sending letters by pigeons belongs originally to Eastern countries, though in other countries it has often been adopted, more especially before the invention of the electric telegraph. An actual post-system in which pigeons were the messengers was established at Bagdad by the Sultan Nureddin Mahmud, who died in 1174, and lasted till 1258, when Bagdad fell into the hands of the Mongols and was destroyed by them.

These birds can be utilized in this way only in virtue of what is called their “homing” faculty or instinct, which enables them to find their way back home from surprising distances. But if they are taken to the place from which the message is to be sent and kept there too long, say over a fortnight, they will forget their home and not return to it. They are tried first with short distances, which are then gradually increased. The missive may be fastened to the wing or the tail, and must be quite small and attached so as not to interfere with the bird’s flight.

By the use of microphotography a long message may be conveyed in this way, and such were received by the besieged residents in Paris during the Franco-Prussian War of 1870-71 the birds being conveyed out of the city in balloons.

Seventy-two miles in two and one-half hours, a hundred and eighty in four and one-half, have been accomplished by carrier pigeons. Large numbers of these birds are now kept in England, Belgium, France, etc., there being numerous pigeon clubs which hold pigeon races to test the speed of the birds. These pigeons are also kept in several European countries for military purposes.

What Family has Over 9,000,000 Members?

Each female cod has more than 9,000,000 eggs, but the numbers are kept down by a host of enemies.

The most interesting species is the “Common” or “Bank Cod.” Though they are found plentifully on the coasts of other northern regions, such as Britain, Scandinavia and Iceland, a stretch of sea near the coast of Newfoundland is the favorite annual resort of countless multitudes of cod, which visit the “Grand Banks” to feed upon the molluscous animals abundant there, and thus attract fleets of fishermen.

The spawning season on the banks of Newfoundland begins about the month of March and terminates in June; but the regular period of fishing does not commence before April, on account of the storms, ice and fogs. The season lasts till the end of June, when the cod commence their migrations.

The average length of the common cod is about two and one-half or three feet, and the weight between thirty and fifty pounds, though sometimes cod are caught weighing three times as much. The color is a yellowish gray on the back, spotted with yellow and brown; the belly white or red, with golden spots in young specimens.

Few members of the animal creation are more universally serviceable to man than the codfish. Both in its fresh state and when salted and dried, it is a substantial and wholesome article of food. The tongue is considered a delicacy. The swimming-bladders or “sounds,” besides being highly nutritious, supply, if rightly prepared, isinglass equal to the best of that which is brought from Russia. The oil, which is extracted from the liver, is of great medicinal value, and contributes considerably to the high economic value of the cod.

The finest and palest oil is made from fresh and carefully cleaned liver, the oil being extracted either in the cold or by a gentle heat. Only the pale oils are used in medicine; the dark oils are too rank and acrid, and they are only used in dressing leather.

The Story in the Telephone[14]

On March 10, 1876, Alexander Graham Bell, standing in a little attic at No. 5 Exeter Place, Boston, sent through his crude telephone the first spoken words ever carried over a wire, and the words were heard and understood by his associate, Thomas A. Watson, who was at the receiver in an adjacent room. On that day the telephone was born, and the first message went over the only telephone line in the world--a line less than a hundred feet long. On January 25, 1915, less than forty years later, this same Alexander Graham Bell, in New York, talked to this same Thomas A. Watson, in San Francisco, over a wire stretching 3,400 miles across the continent.

[Illustration: DR. ALEXANDER GRAHAM BELL AT THE OPENING OF THE TRANSCONTINENTAL LINE

In front of Dr. Bell is the replica of his original telephone, and to his left is the glass case containing a piece of the wire over which Dr. Bell and Mr. Watson carried on the first telephone conversation in the world.]

In that memorable year of 1876, Dom Pedro, Emperor of Brazil, while visiting the Philadelphia Centennial, was attracted to Bell’s modest telephone exhibit, picked up the receiver, listened as Professor Bell talked at the other end of the room, and, amazed at the wonder of the thing, cried out, “My God--it speaks!” From that time, the first telephone exhibit became the center of attraction at the exposition. Had Dom Pedro lived to see the Panama-Pacific Exposition he might have listened to Professor Bell talking not merely from the other end of a room, but from the other side of a continent.

Some idea of the rapid growth of the telephone business in the United States may be gathered from the statistician’s figures, which show that in 1880 there were less than 100,000 telephones in use in this country, and in 1915 there were more than 9,000,000 telephones in the Bell System alone. Of the 14,000,000 telephones in the world, 10,000,000 are in this country. Sixty-five per cent of all the telephones in the world are in this country, although it has only five and five-tenths per cent of the world’s population. The Bell System alone reaches 70,000 places, 5,000 more than the number of post-offices and 10,000 more than the number of railroad stations.

[Illustration: CENTRAL TELEPHONE EXCHANGE, NEW YORK CITY, 1880]

The telephone wire mileage in the United States is over 22,000,000 miles. In the Bell System there are over 18,000,000 miles of wire which carry over 26,000,000 telephone talks daily--or nearly 9,000,000,000 per year.

Essential Factor in American Life.

Such broad use is made of the telephone service of America that the progress in telephony is an essential factor in all American progress.

A visiting Englishman envying the light, airy accommodations in the tall office buildings in American cities, has sagely said that the skyscraper would be impossible without the adequate telephone service which is here provided.

In the housing of the people the telephone is a pioneering agent for better conditions. In the cities telephone service is indispensable in apartment houses and hotels which raise people above the noise and dust of the street. In the suburbs the telephone and the trolley make the waste places desirable homes, and although a man may walk some distance to reach some transportation line, the telephone must enter his own dwelling place before he is content to live there.

[Illustration: A TYPICAL OPERATING ROOM IN AN AMERICAN CITY, WITH THE MOST MODERN BELL SWITCHBOARD]

This desirable decentralization of the population in which the telephone has been so important a factor extends beyond the suburbs to the rural districts, and the American farmer with his wife and family is blessed by facilities for communication unknown in any other part of the world. The fact that the farms and ranches in this country, and especially in the west, have been of comparatively large area, has had a tendency to make American farm life particularly lonely. It is safe to say that nothing has done more to relieve this loneliness and prevent the drift from the farms to the cities, than the widespread establishment of rural telephone service.

The telephone development of the United States is not confined to the large centers of population, but is well distributed, the large number of farm telephones in this country being in strong contrast to the small number of farm telephones in European countries.

It is obvious that the ordinary methods of commerce and manufacture would have to be radically made over if the telephone service should lose any of its present efficiency or if it should fail to advance so as to meet the constantly increasing demands made upon it. With the first day of telephone congestion ordinary business would come to a standstill, and when an adjustment was made, everybody would find himself slowed down, doing less work in longer hours and at greater expense, and being unable to take advantage of opportunities for advancement which he had come to consider an inalienable right.

Not only would methods be changed, but the physical structure of business, especially in cities, would be completely metamorphosed. The top floors of office buildings and hotels would be immediately less desirable. In tall buildings the multitude of messengers and the frequent passing in and out would demand the increase in elevator facilities and even the enlargement of halls and doorways. Many of the narrower streets would be impassable. Factories and warehouses now located in the open country where land is cheap and the natural conditions of working and living are most favorable, would be relocated in cities as close as possible to their administrative and merchandising headquarters.

It would be hard to find a line of business where progress would not be seriously retarded by an impairment of the present telephone efficiency.

America Leads in Telephone Growth.

It is a far cry from Bell’s first telephone to Universal Service.

Bell’s invention had demonstrated the practicability of speech transmission, but there were many obstacles to overcome and many problems to be solved before the telephone could be of commercial value and take its place among the great public utilities.

Professor Bell had demonstrated that two people could talk to each other from connected telephones for a considerable distance. In order to be of commercial value, it was necessary to establish an intercommunicating system in which each telephone could be connected with every other telephone in the system. This has been accomplished through the invention of the multiple switchboard and a great number of inventions and improvements in all the apparatus used in the transmission of speech.

But it was an unexplored field into which the telephone pioneers so courageously plunged. There were no beaten paths, and the way was beset with unknown perils; there was no experience to guide. A vast amount of educational work had to be done before a skeptical public would accept the telephone at its true value, yet courage and persistency triumphed. Discoveries and inventions followed scarcely less important than Professor Bell’s original discovery.

[Illustration: A TYPICAL AMERICAN CENTRAL OFFICE BUILDING, SHOWING THE EFFICIENT ARRANGEMENT OF THE VARIOUS DEPARTMENTS]

That the United States has from the beginning far outstripped the rest of the civilized world in the growth of the telephone is shown by comparison.

In all Great Britain there are but 700,000 telephones as against 10,000,000 in the United States. France has slightly more than half as many as Greater New York. In Germany the telephone development is only one-fifth of that of the United States. Italy has not as many telephones as San Francisco, and all Russia, fewer than Chicago. Sweden, Norway and Denmark show a higher telephone development than the other European countries, but even in Denmark, where the telephone development is highest, we find but 3.9 telephones per hundred population--less than half the development in the United States.

The total number of telephones in all other European countries is considerably less than may be found in two American cities, Chicago and Philadelphia; all of South America has less than Boston, and the remainder of the world, including Asia, Africa and Oceanica, has less than the City of New York.

[Illustration: POLE LINE RUNNING THROUGH PRINCIPAL STREET IN AN ITALIAN TOWN]

[Illustration: A TYPICAL EXAMPLE OF AMERICAN POLE LINE CONSTRUCTION]

American Telephone Practice Superior.

The superior telephone development in America is largely due to the efficiency of American telephone equipment and practice. The mechanical development has not only kept pace with public needs, but has anticipated them.